Where do these numbers come from?
- NISTSP 811 exact unit definitions (1 in = 25.4 mm, 1 lb = 453.59237 g)current edition
- NISTHandbook 44, weights and measurescurrent edition
- King Arthur BakingIngredient Weight Chart (kitchen tools)retrieved Oct 23, 2026
Checked Oct 23, 2026. °F = °C × 9/5 + 32, so 180 °C = 356 °F; ovens usually round this to 350 °F.
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170 °C = 338 °F
Worked example
170 × 9/5 = 306; 306 + 32 = 338 °F.
This is an oven temperature, close to gas mark 4 (350 °F). For a fan (convection) oven, recipes usually reduce by about 20 °C, to roughly 150 °C.
Nearby values
| Celsius | Fahrenheit |
|---|---|
| 160 °C | 320 °F |
| 162 °C | 323.6 °F |
| 164 °C | 327.2 °F |
| 166 °C | 330.8 °F |
| 168 °C | 334.4 °F |
| 170 °C | 338 °F |
| 172 °C | 341.6 °F |
| 174 °C | 345.2 °F |
| 176 °C | 348.8 °F |
| 178 °C | 352.4 °F |
| 180 °C | 356 °F |
Related
Frequently asked questions
What is 170 °C in Fahrenheit?
338 °F.
Is 170 °C hot or cold?
This is an oven temperature, close to gas mark 4 (350 °F). For a fan (convection) oven, recipes usually reduce by about 20 °C, to roughly 150 °C.